Let's get this math done. We have 741 and we're going to multiply it by 128. This is the same as taking 741 and adding it to itself 128 times.
Step 1: 0 + 741 = 741
Step 2: 741 + 741 = 1482
Step 3: 1482 + 741 = 2223
Step 4: 2223 + 741 = 2964
Step 5: 2964 + 741 = 3705
Step 6: 3705 + 741 = 4446
Step 7: 4446 + 741 = 5187
Step 8: 5187 + 741 = 5928
Step 9: 5928 + 741 = 6669
Step 10: 6669 + 741 = 7410
Step 11: 7410 + 741 = 8151
Step 12: 8151 + 741 = 8892
Step 13: 8892 + 741 = 9633
Step 14: 9633 + 741 = 10374
Step 15: 10374 + 741 = 11115
Step 16: 11115 + 741 = 11856
Step 17: 11856 + 741 = 12597
Step 18: 12597 + 741 = 13338
Step 19: 13338 + 741 = 14079
Step 20: 14079 + 741 = 14820
Step 21: 14820 + 741 = 15561
Step 22: 15561 + 741 = 16302
Step 23: 16302 + 741 = 17043
Step 24: 17043 + 741 = 17784
Step 25: 17784 + 741 = 18525
Step 26: 18525 + 741 = 19266
Step 27: 19266 + 741 = 20007
Step 28: 20007 + 741 = 20748
Step 29: 20748 + 741 = 21489
Step 30: 21489 + 741 = 22230
Step 31: 22230 + 741 = 22971
Step 32: 22971 + 741 = 23712
Step 33: 23712 + 741 = 24453
Step 34: 24453 + 741 = 25194
Step 35: 25194 + 741 = 25935
Step 36: 25935 + 741 = 26676
Step 37: 26676 + 741 = 27417
Step 38: 27417 + 741 = 28158
Step 39: 28158 + 741 = 28899
Step 40: 28899 + 741 = 29640
Step 41: 29640 + 741 = 30381
Step 42: 30381 + 741 = 31122
Step 43: 31122 + 741 = 31863
Step 44: 31863 + 741 = 32604
Step 45: 32604 + 741 = 33345
Step 46: 33345 + 741 = 34086
Step 47: 34086 + 741 = 34827
Step 48: 34827 + 741 = 35568
Step 49: 35568 + 741 = 36309
Step 50: 36309 + 741 = 37050
Step 51: 37050 + 741 = 37791
Step 52: 37791 + 741 = 38532
Step 53: 38532 + 741 = 39273
Step 54: 39273 + 741 = 40014
Step 55: 40014 + 741 = 40755
Step 56: 40755 + 741 = 41496
Step 57: 41496 + 741 = 42237
Step 58: 42237 + 741 = 42978
Step 59: 42978 + 741 = 43719
Step 60: 43719 + 741 = 44460
Step 61: 44460 + 741 = 45201
Step 62: 45201 + 741 = 45942
Step 63: 45942 + 741 = 46683
Step 64: 46683 + 741 = 47424
Step 65: 47424 + 741 = 48165
Step 66: 48165 + 741 = 48906
Step 67: 48906 + 741 = 49647
Step 68: 49647 + 741 = 50388
Step 69: 50388 + 741 = 51129
Step 70: 51129 + 741 = 51870
Step 71: 51870 + 741 = 52611
Step 72: 52611 + 741 = 53352
Step 73: 53352 + 741 = 54093
Step 74: 54093 + 741 = 54834
Step 75: 54834 + 741 = 55575
Step 76: 55575 + 741 = 56316
Step 77: 56316 + 741 = 57057
Step 78: 57057 + 741 = 57798
Step 79: 57798 + 741 = 58539
Step 80: 58539 + 741 = 59280
Step 81: 59280 + 741 = 60021
Step 82: 60021 + 741 = 60762
Step 83: 60762 + 741 = 61503
Step 84: 61503 + 741 = 62244
Step 85: 62244 + 741 = 62985
Step 86: 62985 + 741 = 63726
Step 87: 63726 + 741 = 64467
Step 88: 64467 + 741 = 65208
Step 89: 65208 + 741 = 65949
Step 90: 65949 + 741 = 66690
Step 91: 66690 + 741 = 67431
Step 92: 67431 + 741 = 68172
Step 93: 68172 + 741 = 68913
Step 94: 68913 + 741 = 69654
Step 95: 69654 + 741 = 70395
Step 96: 70395 + 741 = 71136
Step 97: 71136 + 741 = 71877
Step 98: 71877 + 741 = 72618
Step 99: 72618 + 741 = 73359
Step 100: 73359 + 741 = 74100
Step 101: 74100 + 741 = 74841
Step 102: 74841 + 741 = 75582
Step 103: 75582 + 741 = 76323
Step 104: 76323 + 741 = 77064
Step 105: 77064 + 741 = 77805
Step 106: 77805 + 741 = 78546
Step 107: 78546 + 741 = 79287
Step 108: 79287 + 741 = 80028
Step 109: 80028 + 741 = 80769
Step 110: 80769 + 741 = 81510
Step 111: 81510 + 741 = 82251
Step 112: 82251 + 741 = 82992
Step 113: 82992 + 741 = 83733
Step 114: 83733 + 741 = 84474
Step 115: 84474 + 741 = 85215
Step 116: 85215 + 741 = 85956
Step 117: 85956 + 741 = 86697
Step 118: 86697 + 741 = 87438
Step 119: 87438 + 741 = 88179
Step 120: 88179 + 741 = 88920
Step 121: 88920 + 741 = 89661
Step 122: 89661 + 741 = 90402
Step 123: 90402 + 741 = 91143
Step 124: 91143 + 741 = 91884
Step 125: 91884 + 741 = 92625
Step 126: 92625 + 741 = 93366
Step 127: 93366 + 741 = 94107
Step 128: 94107 + 741 = 94848

So, 741*128 = 94848